Home / 1,897,716.15-2,618,913.69-1,038,276.45

Finding the Fourth Proportional to 1,897,716.15, 2,618,913.69 and 1,038,276.45

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Solution

The fourth proportional to 1,897,716.15, 2,618,913.69 and 1,038,276.45 is: 1,432,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,716.15 : 2,618,913.69 = 1,038,276.45 : x
  2. Step 2: Convert to fraction form
    1,897,716.15/2,618,913.69 = 1,038,276.45/x
  3. Step 3: Cross multiply
    1,897,716.15x = 2,618,913.69 × 1,038,276.45
  4. Step 4: Simplify right side
    1,897,716.15x = 2,719,156,408,909.60
  5. Step 5: Solve for x
    x = 2,719,156,408,909.60/1,897,716.15
  6. Step 6: Final answer
    x = 1,432,857.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.